Features 1、The transparent design allows visual inspection, prevents corrosion, and provides a waterproof seal. 2、The internal flux and the melting adhesive in the seal have extended waterproof function. 3、Just peel off the connector on the cable pull and short preheat until the weld is liquefied. 4、Polyolefin heat shrinkable butt connectors improve the pull‑out strength, provide sealing, cable inspection and insulation functions. 5、In marine and automotive applications, polyolefin hoses are used in exterior and heating applications. 6、Adopts a double‑walled structure with an outer layer of polyolefin tube and an inner layer of hot melting adhesive. Specification Item Type: Solder Ring Heat Shrinkable Tube Set Material: Plastic Waterproof Rating: IP67 Product Specifications: 100Pcs Color: White, red, blue, yellow Wire Range: White: AWG (26-24), mm² (0.25-0.34) Red: AWG (22-18), mm² (0.5-1.0) Blue: AWG (16-14), mm² (1.5-2.5) Yellow: AWG (12-10), mm² (4.0-6.0) Package List 25 x White Heat Shrinkable Tube 35 x Red Heat Shrinkable Tube 30 x Blue Heat Shrinkable Tube 10 x Yellow Heat Shrinkable Tube 1 x Plastic Box